Mitac MIO Explora K75 vs Samsung DoubleTime I857

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    MIO Explora K75: 33 g lighter

    MIO Explora K75:
    115 g
    DoubleTime I857:
    148 g
  • Screen diagonal

    DoubleTime I857: 0.3 in smaller diagonal

    MIO Explora K75:
    3.5 in
    DoubleTime I857:
    3.2 in
  • Chipset

    MIO Explora K75:
    Qualcomm MSM7201A
    DoubleTime I857:
    Qualcomm MSM7230
  • Depth

    MIO Explora K75: 3.1 mm thinner

    MIO Explora K75:
    11.9 mm
    DoubleTime I857:
    15 mm
  • Height

    DoubleTime I857: 2.3 mm shorter

    MIO Explora K75:
    115.3 mm
    DoubleTime I857:
    113 mm
  • Release year

    MIO Explora K75:
    2009
    DoubleTime I857:
    2011

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. MIO Explora K75

    Height:
    115.3 mm +2.3 mm versus DoubleTime I857
    Width:
    61.5 mm
    Depth:
    11.9 mm
  2. 2. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm
    Depth:
    15 mm +3.1 mm versus MIO Explora K75

Weight

Bars start at zero and share a scale within this chart.

  1. 1. MIO Explora K75

    115 g

  2. 2. DoubleTime I857

    148 g

    +33 g versus MIO Explora K75

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. MIO Explora K75

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. DoubleTime I857

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

MIO Explora K75 has approximately 14.4% more rectangular screen area than DoubleTime I857.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

MIO Explora K75: Original memory entry

128 MB RAM · 256 MB ROM

DoubleTime I857: Original memory entry

260 MB · 256 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. MIO Explora K75

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. MIO Explora K75

    1000 mAh

  2. 2. DoubleTime I857

    1200 mAh

    +200 mAh versus MIO Explora K75

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. MIO Explora K752. DoubleTime I857

Everyday essentials
Everyday essentials — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Dimensions (HxWxD)
  • 115.3 Х 61.5 Х 11.9 mm
  • 113 Х 62 Х 15 mm
Weight
  • 115 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.2" inch
Screen resolution
  • 240 x 400 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 260 MB
  • 256 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Windows Mobile 6.1 Professional
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm MSM7201A
  • Qualcomm MSM7230
Headphone jack
  • No
  • Yes
Display
Display — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 34.9 cm2
  • 30.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 49.2%
  • 43.5%
PPI /points per inch/
  • 133 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
  • AF
Video
  • Yes
  • 320p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Processor CPU
  • 528 MHz ARM 11
  • 800 MHz Scorpion
Graphics processor GPU
  • Adreno 130
  • Adreno 205
General specs
General specs — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Release date
  • 2009
  • June
  • 2011
  • October
Colors
  • Black
  • Black/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • No
GPS
  • Yes
  • Qualcomm gpsOne
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Music and Audio
Music and Audio — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
Other features
Other features — specifications for MIO Explora K75, DoubleTime I857.
SpecificationMIO Explora K75DoubleTime I857
Dop
  • Sensors Accelerometer
  • Infrared port - MIO Spirit Mobile navigation -MP3/MP4 player -Organizer -Pocket Office -Voice memo/dial
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T